An Efficient and Secure Session Key Management Scheme in Wireless Sensor Network

Algorithm 2

Rekeying phase.

(1)	Start
(2)	Cluster Head => Base Station
(3)	, i.e.,
(4)
(5)	Base Station => Cluster Head
(6)	, i.e.,  =  XOR
(7)
(8)
(9)
(10)	End